solve.gemspec in solve-0.4.0 vs solve.gemspec in solve-0.4.1

@@ -5,9 +5,10 @@
   s.authors               = ["Jamie Winsor", "Andrew Garson", "Thibaud Guillaume-Gentil"]
   s.email                 = ["[e-mail]", "[e-mail]", "[e-mail]"]
   s.description           = %q{A Ruby version constraint solver}
   s.summary               = %q{A Ruby version constraint solver implementing Semantic Versioning 2.0.0-rc.1}
   s.homepage              = "https://github.com/reset/solve"
+  s.license               = "Apache 2.0"
 
   s.files                 = `git ls-files`.split($\)
   s.executables           = s.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   s.test_files            = s.files.grep(%r{^spec/})
   s.name                  = "solve"